Pribram, Alfred Francis
Oxford University Press, 1951
Buku Teks
edited by Astrik L. Gabriel
Mediaeval Institute, University of Notre Dame, 1974
Buku Teks
Treat, Payson J., author
Peter Smith, 1963
Buku Teks
Denza, Eileen, 1937-, author
Oxford University Press, 2016
Buku Teks
Viton, Albert, author
John Day Company, 1940
Buku Teks